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re: Has anyone else here ever created Water Hammer?

Posted on 1/7/21 at 10:07 pm to
Posted by Fusaichi Pegasus
Meh He Co
Member since Oct 2010
14566 posts
Posted on 1/7/21 at 10:07 pm to
The mrs walked in when the 2nd one happened when I was trying to figure out the problem
She was ready to sell the house

Bf this I never knew this could occur and I’ve messed with the plumbing here a few times
Posted by UnitedFruitCompany
Bay Area
Member since Nov 2018
3382 posts
Posted on 1/7/21 at 10:11 pm to
Lol it's unsettling for sure. The WHA usually goes on the end of a run and acts like a reverse snorkel (well, the fancy ones don't allow water in when you dive, anyway) pressure builds up and the things let's it out while maintaining the overall integrity of the system.
Posted by uaslick
Tuscaloosa
Member since May 2011
844 posts
Posted on 1/7/21 at 10:12 pm to
Usually caused by shutting off a valve too quickly. Dishwashers, ice makers and other fast acting solenoid valves can create water hammer. If you have a problem with it at home, try closing the valve more slowly. Allows the moving water to decelerate rather than stop suddenly.
Posted by CrownTownHalo
CrownTown, NC
Member since Sep 2011
2948 posts
Posted on 1/7/21 at 10:56 pm to

Googled water hammer.
This looks familiar.
This post was edited on 1/7/21 at 10:58 pm
Posted by cubsfinger
On The Road
Member since Mar 2017
1550 posts
Posted on 1/7/21 at 11:00 pm to
My company builds retorts ( industrial pressure cookers) and sometimes when there is a leaking steam valve, the whole pipe rack will shake and make you think you need to run out the plant with the horrific sounds coming from the pipes!
Posted by fr33manator
Baton Rouge
Member since Oct 2010
124288 posts
Posted on 1/7/21 at 11:11 pm to
Oh yeah those are never fun. Hot, your ears hurt, soaking wet. It sounds like an angry monster
Posted by timdallinger
Member since Nov 2009
1592 posts
Posted on 1/7/21 at 11:25 pm to
quote:

ipeline hydraulics back in the 90s for work. The professor was Dr Wylie retired from U of Michigan who had written the textbook we used.


Dr. Ben Wylie worked with Dr. Mike A. Stoner. They wrote the hydraulic modeling software, originally called Stoner Pipeline Simulator, I use professionally. It's arguably the industry standard for single phase fluid flow hydraulic modeling.
Posted by geaux001
Houston
Member since Jan 2012
69 posts
Posted on 1/7/21 at 11:31 pm to
This is what I do for a living. On a domestic scale, you can probably just add some standpipe to the plumbing line if you have the vertical space, you can slow the closing of the valve, or otherwise reduce the acceleration of the fluid. Anyone who hates the sound their ice maker makes when it stops filling is experiencing water hammer. Standpipe is similar to an alternative benefit that water towers serve.

On an an industrial scale, I have seen 8" steel pipe severed in half, pumps, relief valves, and instrumentation destroyed.

I can calculate the volume you'd need to eliminate or make it tolerable for you if you want.
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